Introduction to Colloid and Surface Chemistry |
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Page 146
... flocculation . An example ( which is of interest in considering the stability of clay suspensions " ) is an alumina sol , for which hydrogen ( or hydroxyl ) ions are potential determining . At low pH the sol is positively charged by ...
... flocculation . An example ( which is of interest in considering the stability of clay suspensions " ) is an alumina sol , for which hydrogen ( or hydroxyl ) ions are potential determining . At low pH the sol is positively charged by ...
Page 147
... Flocculation Concentrations The transition between stability and flocculation , although in principle a gradual one , usually occurs over a small range of electrolyte concentration , and flocculation concentrations can be determined ...
... Flocculation Concentrations The transition between stability and flocculation , although in principle a gradual one , usually occurs over a small range of electrolyte concentration , and flocculation concentrations can be determined ...
Page 148
... flocculation when these encounters take place . Smoluchowski developed a theory of rapid flocculation , applicable to the situation where there is no potential energy barrier and where every encounter between the particles leads to ...
... flocculation when these encounters take place . Smoluchowski developed a theory of rapid flocculation , applicable to the situation where there is no potential energy barrier and where every encounter between the particles leads to ...
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acid adsorbed adsorption adsorption isotherm approximately aqueous behaviour Brownian calculated cell charged surface chemisorption cm-¹ cm³ coefficient colloidal dispersions colloidal particles colloidal systems constant contact angle counter-ions curve cylinder decreases deflocculated deformation depends detergent diffusion dispersion medium distance droplets effect electrical double layer electrode electrolyte emulsifying equation equilibrium example Figure film flocculation flocculation concentration flow hydrocarbon chains hydrophilic increase interaction interface intrinsic viscosity ionic ions isotherms light scattered material measured membrane method micelles mixed film molecular weight molecules monolayer monomolecular motion O/W emulsions orientated osmotic pressure physical adsorption plate polymer polymerization pores porous potential energy potential gradient protein ratio relative repulsive sample sedimentation shear soaps sodium solid surface soluble solution solvation solvent spherical particles stability Stern layer stress surface tension surface-active surfactant temperature theory thermal thixotropic valency vapour pressure velocity viscoelastic viscometer volume W/O emulsions Waals wetting zero zeta potential